Fix for BUG#11700: in add_not_null_conds(), call full fix_fields() for the created NOT NULL.

  This is needed because in some cases range optimization is performed twice and added 
  NOT NULL item must have correct const_table_map() value. 


mysql-test/r/select.result:
  Testcase for BUG#11700
mysql-test/t/select.test:
  Testcase for BUG#11700

mysql-test/r/select.result

@@ -2524,3 +2524,38 @@ select * from t3 left join t1 on t3.id = t1.uid, t2 where t2.ident in (0, t1.gid
 id	name	gid	uid	ident	level
 1	fs	NULL	NULL	0	READ
 drop table t1,t2,t3;
+CREATE TABLE t1 (
+acct_id int(11) NOT NULL default '0',
+profile_id smallint(6) default NULL,
+UNIQUE KEY t1$acct_id (acct_id),
+KEY t1$profile_id (profile_id)
+);
+INSERT INTO t1 VALUES (132,17),(133,18);
+CREATE TABLE t2 (
+profile_id smallint(6) default NULL,
+queue_id int(11) default NULL,
+seq int(11) default NULL,
+KEY t2$queue_id (queue_id)
+);
+INSERT INTO t2 VALUES (17,31,4),(17,30,3),(17,36,2),(17,37,1);
+CREATE TABLE t3 (
+id int(11) NOT NULL default '0',
+qtype int(11) default NULL,
+seq int(11) default NULL,
+warn_lvl int(11) default NULL,
+crit_lvl int(11) default NULL,
+rr1 tinyint(4) NOT NULL default '0',
+rr2 int(11) default NULL,
+default_queue tinyint(4) NOT NULL default '0',
+KEY t3$qtype (qtype),
+KEY t3$id (id)
+);
+INSERT INTO t3 VALUES (30,1,29,NULL,NULL,0,NULL,0),(31,1,28,NULL,NULL,0,NULL,0),
+(36,1,34,NULL,NULL,0,NULL,0),(37,1,35,NULL,NULL,0,121,0);
+SELECT COUNT(*) FROM t1 a STRAIGHT_JOIN t2 pq STRAIGHT_JOIN t3 q 
+WHERE 
+(pq.profile_id = a.profile_id) AND (a.acct_id = 132) AND 
+(pq.queue_id = q.id) AND (q.rr1 <> 1);
+COUNT(*)
+4
+drop table t1,t2,t3;

mysql-test/t/select.test

@@ -2075,3 +2075,44 @@ INSERT INTO `t3` VALUES (1,'fs');
 select * from t3 left join t1 on t3.id = t1.uid, t2 where t2.ident in (0, t1.gid, t3.id, 0);
 
 drop table t1,t2,t3;
+
+# Test for BUG#11700
+CREATE TABLE t1 (
+  acct_id int(11) NOT NULL default '0',
+  profile_id smallint(6) default NULL,
+  UNIQUE KEY t1$acct_id (acct_id),
+  KEY t1$profile_id (profile_id)
+);
+INSERT INTO t1 VALUES (132,17),(133,18);
+
+CREATE TABLE t2 (
+  profile_id smallint(6) default NULL,
+  queue_id int(11) default NULL,
+  seq int(11) default NULL,
+  KEY t2$queue_id (queue_id)
+);
+INSERT INTO t2 VALUES (17,31,4),(17,30,3),(17,36,2),(17,37,1);
+
+CREATE TABLE t3 (
+  id int(11) NOT NULL default '0',
+  qtype int(11) default NULL,
+  seq int(11) default NULL,
+  warn_lvl int(11) default NULL,
+  crit_lvl int(11) default NULL,
+  rr1 tinyint(4) NOT NULL default '0',
+  rr2 int(11) default NULL,
+  default_queue tinyint(4) NOT NULL default '0',
+  KEY t3$qtype (qtype),
+  KEY t3$id (id)
+);
+
+INSERT INTO t3 VALUES (30,1,29,NULL,NULL,0,NULL,0),(31,1,28,NULL,NULL,0,NULL,0),
+  (36,1,34,NULL,NULL,0,NULL,0),(37,1,35,NULL,NULL,0,121,0);
+
+SELECT COUNT(*) FROM t1 a STRAIGHT_JOIN t2 pq STRAIGHT_JOIN t3 q 
+WHERE 
+  (pq.profile_id = a.profile_id) AND (a.acct_id = 132) AND 
+  (pq.queue_id = q.id) AND (q.rr1 <> 1);
+
+drop table t1,t2,t3;
+

sql/sql_select.cc

@@ -3539,11 +3539,17 @@ static void add_not_null_conds(JOIN *join)
           DBUG_ASSERT(item->type() == Item::FIELD_ITEM);
           Item_field *not_null_item= (Item_field*)item;
           JOIN_TAB *referred_tab= not_null_item->field->table->reginfo.join_tab;
-          Item_func_isnotnull *notnull;
+          Item *notnull;
           if (!(notnull= new Item_func_isnotnull(not_null_item)))
             DBUG_VOID_RETURN;
-
-          notnull->quick_fix_field();
+          /*
+            We need to do full fix_fields() call here in order to have correct
+            notnull->const_item(). This is needed e.g. by test_quick_select 
+            when it is called from make_join_select after this function is 
+            called.
+          */
+          if (notnull->fix_fields(join->thd, join->tables_list, &notnull))
+            DBUG_VOID_RETURN;
           DBUG_EXECUTE("where",print_where(notnull,
                                            referred_tab->table->table_name););
           add_cond_and_fix(&referred_tab->select_cond, notnull);